EP3332931A1 - Fendeur de bois à l'usage mobile - Google Patents

Fendeur de bois à l'usage mobile Download PDF

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Publication number
EP3332931A1
EP3332931A1 EP17205773.9A EP17205773A EP3332931A1 EP 3332931 A1 EP3332931 A1 EP 3332931A1 EP 17205773 A EP17205773 A EP 17205773A EP 3332931 A1 EP3332931 A1 EP 3332931A1
Authority
EP
European Patent Office
Prior art keywords
guide tube
wood
carriage
wood splitter
plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP17205773.9A
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German (de)
English (en)
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EP3332931B1 (fr
Inventor
Duerdoth Tobias
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Individual
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Individual
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Publication date
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Publication of EP3332931A1 publication Critical patent/EP3332931A1/fr
Application granted granted Critical
Publication of EP3332931B1 publication Critical patent/EP3332931B1/fr
Active legal-status Critical Current
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27L—REMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
    • B27L7/00—Arrangements for splitting wood
    • B27L7/005—Hand tools therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27L—REMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
    • B27L7/00—Arrangements for splitting wood
    • B27L7/06—Arrangements for splitting wood using wedges, knives or spreaders

Definitions

  • the invention relates to a log splitter for mobile use.
  • the log splitter comprises a guide tube and a splitting wedge which is connected or connectable to the guide tube and, when connected to the guide tube, can be moved along the guide tube.
  • the wood splitter further comprises a forming steel, which is connected to the guide tube or connectable and partially protrudes in the connected state via an axial end of the guide tube to the outside.
  • the wood splitter can be inserted with the mold steel in a substrate, such as a chopping block or in the ground.
  • the invention further relates to a method for severing branches with the log splitter.
  • a first aspect relates to a wood splitter for mobile use, the wood splitter comprising a guide tube, a riving knife and a forming steel.
  • the guide tube may have in a sectional view transverse to its longitudinal axis a round shape, oval or polygonal.
  • the guide tube has a rectangular, in particular a square sectional view.
  • the form of steel may for example be an insert which can be inserted into the guide tube and / or connected to the guide tube.
  • the log splitter may further include a guide tube extension that may be connected to the guide tube to increase a drop height of the splitting wedge. At the same time, the guide tube extension can serve to reduce a pack size of the log splitter.
  • the splitting wedge is prepared to be connected to the guide tube or is movably connected to the guide tube. In the connected state, the splitting wedge can be moved along the guide tube in the axial direction of the guide tube.
  • the insert or form steel may be a square steel or, in particular, a round steel.
  • the mold steel can be used at its free, be sharpened over the axial end of the guide tube projecting end, for example, sharpened that he can easily penetrate into a preferably soft ground, such as the soil.
  • the chopping block or the tree trunk has an opening for the forming steel.
  • Such an opening can be introduced, for example by means of a drill by means of a drill, outdoors with a drill with a battery in the wood.
  • the diameter of the bore is chosen so that the forming steel in the bore has no or only a very small game.
  • the splitting wedge may be connected to a carriage or formed into a part with the carriage.
  • the carriage moves the riving knife along the guide tube and can preferably be releasably fixed again in predetermined positions on the guide tube and possibly on the guide tube extension. If the splitting wedge and the slide are separate components and the splitting wedge can be connected to the slide, this can mean that the slide has an opening into which the splitting wedge can be inserted.
  • the riving knife inserted into the opening can be secured in the carriage in a known manner in order to prevent unintentional release of the riving knife from the carriage, in particular during the splitting operation. It is preferred that the splitting wedge is so firmly connected to the carriage that as little or no energy loss due to relative movements between the carriage and the splitting wedge occurs at the moment of impact of the splitting wedge on the object to be split.
  • the carriage may comprise a bearing.
  • a bearing ball bearings needle roller bearings or roller bearings can be used, but preferably it is in the bearing to a plain bearing.
  • Graphite may be used as the sliding material, or a suitable plastic or a preferably hardened metal, such as bronze, aluminum, brass, suitable alloys, which preferably comprise at least one of these metals, ceramics or another suitable material whose suitability as a sliding material is known to those skilled in the art
  • the carriage can also use a lubrication system Include grease nipples to lubricate the bearing of the carriage from the outside.
  • the carriage can be locked preferably at different heights on the guide tube.
  • locking for example, serve a bolt with a preloaded locking element that can be solved with one hand.
  • a side of the splitting wedge facing away from the wedge tip is flat and forms a first striking plate.
  • the chipping hammer is a chipping hammer with a plastic attachment
  • the chipping hammer can be used to punch directly onto the steel strike plate, which is usually made of steel.
  • a flat impact surface for the splitting hammer on the splitting wedge is preferably formed by a further striking plate, which can be connected, for example, to the splitting wedge or its impact-forming side, or to the splitting wedge Splitting wedge is connected.
  • the connection with the splitting wedge is in particular chosen so that the further impact plate can be easily connected by hand with the splitting wedge and removed from the splitting wedge, for example when the other impact plate is worn or damaged, or a split hammer with a plastic insert is used.
  • connection can be, for example, a plug-in connection or a click connection, the connection can be by positive engagement, adhesion or a combination of these and other known, easily hand-made and to be solved connection techniques.
  • the further impact plate is secured in or on the splitting wedge by pins, which may have an end with a thread that can be screwed by hand into a mating thread in the splitting wedge.
  • pins which may have an end with a thread that can be screwed by hand into a mating thread in the splitting wedge.
  • Known alternative fuses that prevent falling out of the pins during use and transportation of the wood splitter are included in the scope of the invention.
  • the further impact plate may be formed of a wood, a soft metal or plastic.
  • the further impact plate is formed from a plastic, for example from a polyamide such as PA6 or a composite material with comparable properties.
  • further impact plates can be used with different thicknesses, for example, to increase the shock absorption and / or to extend the riving knife.
  • the carriage may comprise a second impact plate, which may be connected to the carriage according to the first impact plate and may be formed of the same material as the first impact plate. Even with the second impact plate, another impact plate can be removably connected or connectable. In order to optimize a storage of spare impact plates, it is advantageous if the other impact plates are identical.
  • the second impact plate of the first impact plate can be arranged opposite, that is, the guide tube extends, connected to the guide tube carriage and formed by the riving knife first impact plate respectively connected to the carriage second impact plate, between the first impact plate and the second impact plate ,
  • the second impact plate is arranged higher than the first gap plate relative to the guide tube.
  • the carriage is shaped so that a force acting on the second impact plate, is transferred to the splitting wedge substantially lossless.
  • the second impact plate can be used in particular for transmitting power to the riving knife when the riving knife with the first impact plate has completely penetrated into a wood to be split.
  • the first striking plate and / or the second striking plate may be conventional steel impact plates. But are also included, for example, support structures that do not serve or serve as a beating plate alone, but are prepared to be connected to another striking plate, as described in this document.
  • a substantially V-shaped guide aid for the percussion instrument such as a folded spring steel sheet, which can be inserted between the side facing away from the wood piece of the splitting wedge and the first striking plate and / or the support surface and the second striking plate.
  • the arms of the spring steel sheet extend beyond the respective impact plate in the direction of the sky and form a kind of funnel, which leads the striking element, for example the splitting hammer or another percussion instrument with which can be hit on the strike plates, in the direction of the striking plate.
  • the free ends of the spring steel sheet can be shaped so that they do not form an open edge that can be hit with the impact element. For example, the free ends may preferably be bent outwards or formed as a spiral fold. The spring steel sheet can be easily removed when it is no longer needed.
  • the carriage may include at least one handle for manually moving the carriage with the riving knife along the guide tube in an upward direction.
  • the carriage comprises two handles, which can be detachably connected to the carriage, for example, can be inserted or screwed into prepared holes respectively threaded holes.
  • the handle (s) can be plastic coated.
  • a weight may be connected in a similar or similar manner to the guide tube, the guide tube extension.
  • the weight comprises a handle, such as the carriage, and may be arranged above the carriage as viewed from the piece of wood.
  • the weight can be determined independently of the slide on the guide tube and detached independently of the carriage from the guide tube.
  • the weight and the slide together can perform the first splitting stroke by sliding both together along the guide tube downwards.
  • the weight can be manually moved along the guide tube in a direction away from the carriage and locked in preferably predetermined positions on the guide tube. If the weight is released, it falls through the guide tube out due to its weight on the already in the object to be split stuck riving knife and drives it into the wood to be split.
  • the weight can be like the sled Include sliding bearings to prevent tilting of the weight and to reduce the noise.
  • the weight may include a fixed or detachable handle, similar to the carriage, or the handle / handles for the carriage may also be used for weight.
  • the weight may be formed so that it can be placed in two positions on the guide tube, in a first position, in which it cooperates with the splitting wedge respectively the first striking plate, and in a second position, in which it cooperates with the second striking plate ,
  • the log splitter may further comprise a bottom plate with a bottom surface, with which the bottom plate can stand up on a substrate, and an upper side.
  • the bottom plate may be formed of a steel sheet.
  • a connecting element may protrude from the upper side substantially perpendicularly, the connecting element being adapted to be connected to an axial end of the guide tube, preferably the axial end of the insert with the tip.
  • the bottom plate comprises more than one connecting element, for example two, three or more connecting elements.
  • the connecting elements may be hollow profiles which are welded, screwed or otherwise firmly and preferably non-detachably connected to the upper side of the base plate.
  • the bottom plate may have a round, rectangular, in particular square or arbitrary shaped surface.
  • the bottom plate is flat.
  • the corners may be rounded and / or a peripheral edge of the bottom plate may be bent or flanged to the top or bottom to reduce the risk of injury from the log splitter.
  • a connecting element may protrude upward, which is prepared to receive the guide tube, respectively, a free end of the forming steel and the insert.
  • the top of the bottom plate may further have a structure on which a wood part to be split rests and which reduces a bearing surface of the wood part on the bottom plate.
  • the structure may be formed by at least one longitudinal and / or transverse strut, which were produced by embossing the bottom plate or which is a separate component made of metal, plastic or wood, which is connected to the bottom plate.
  • the strut (s) or the web (s) may be tapered, angular or rounded at their upper side facing away from the bottom plate.
  • the structure may also be knob-shaped or acicular in order to additionally fix the wood part to be split on the bottom plate.
  • the surface of the bottom plate between the struts or webs may be covered with a rubber mat, wherein a height of the rubber mat perpendicular to the surface of the bottom plate corresponds to a height of the struts or webs, so that the bottom plate forms a planar bearing surface.
  • the bottom may have a structure that can penetrate, for example, in a soft ground to give the wood splitter a secure stand.
  • the bottom plates may also have openings, so that no liquid can collect on the top of the bottom plate and / or to fix the log splitter by anchoring in the soft ground.
  • a spring element may be provided, which is arranged between the guide tube and the bottom plate or the connecting element.
  • the spring element may be a spring-elastic solid body or a spring element that comprises a spring, in particular a spiral spring.
  • the spring element may be supported with one axial end at a bottom end of the guide tube and the other axial end at a free end of the connecting element which receives the forming steel respectively the free end thereof.
  • the log splitter can have at least one, preferably two further connecting elements, each of which can receive a further guide tube.
  • the other guide tubes may be identical hollow profiles.
  • At least one of the further guide tubes can thereby form the guide tube extension, which is preferably connected to the guide tube only after the construction of the log splitter at the place of use.
  • the further guide tube (s) can in particular be arranged on the base plate in such a way that they can each be connected to a wheel in order to be able to easily transport the log splitter on foot to the place of use, if the place of use is not can be achieved directly with a vehicle.
  • the already described handles of the sled in a secondary function can serve as handles for the log splitter in transport mode.
  • the wheels can be connected without tools with the wood splitter, for example by a connector with a Klappsplint Klinchange system.
  • the tires may be off-road tires, twin tires, triple tires or wide tires, depending on the availability of the location.
  • the wheels may be laterally attached to the bottom plate of the log splitter and / or, for example, centered about an axis with a bearing below the bottom plate or at the edge of the bottom plate closest to the guide tube. At least one of the wheels, in particular the wheels arranged laterally on the floor panel, can be connected at different heights to the floor panel in order for example to compensate for a slope.
  • the wood splitter may comprise an additional handle construction connecting the guide tube and the one or more guide tubes.
  • the force required to pull or push the log splitter with or without load is distributed to the two or preferably three guide tubes, whereby a more stable construction of the log splitter in the transport mode is achieved.
  • a side arm can be connected to the further guide tube, wherein the side arm can be moved guided along the further guide tube.
  • the side arm on the further guide tube in several preferably predetermined positions are set.
  • the side arm is substantially horizontal from the guide tube and extends substantially parallel to the bottom plate, preferably parallel to the top of the bottom plate and parallel to an outer edge of a rectangular bottom plate, and transverse to a cutting edge of the splitting wedge.
  • An extended side arm can be connected to the side arm, which can be moved along the side arm and fixed on the side arm in a plurality of preferred predetermined positions.
  • the extended side arm when connected to the side arm, is horizontal from the side arm.
  • the side arm and the extended side arm may lie substantially in a common plane which is parallel to the plane of the bottom plate.
  • the extended side arm can protrude substantially at a right angle from the side arm and run parallel to the cutting edge of the splitting wedge.
  • the extended side arm fixing elements such as claws, needle-shaped projections, etc.
  • the side arm and the extended side arm can prevent the pieces of wood produced by the splitting of the wood from tilting uncontrollably to the side or being able to fly away to the side due to the force of the split. This facilitates the work and reduces the risk of injury to persons in the vicinity of the log splitter.
  • a space can be defined by the side arms and the extended side arms, which can be adapted to the size of the piece of wood to be split.
  • the further guide tubes, side arms and / or further side arms may have fastening elements, such as eyelets, in order to fix a load which rests on the bottom plate, for example by means of lashing straps for transport.
  • the log splitter can be mounted and disassembled by hand as easily as possible, it is preferred if all previously described connections for assembling the log splitter are manually releasable.
  • the connections of the profiles with or without locking function can be easily made using thumbscrews that are screwed into a thread, which is covered by one of the parts to be joined.
  • cotter pins or bayonet locking elements may be used or other secure quick connectors that are suitable for the purpose and well known to those skilled in the art.
  • the riving knife may have a tip of a first metal, for example a hardened weldable steel such as Hardox®, and a tip-following wedge of a second material different from the first material, for example ST37.
  • the tip may be wedge-shaped, preferably the tip comprises a wedge-facing region with parallel outer surfaces. That is, the wedge tip is formed in this case at least partially knife-shaped in order to have a good cutting action. This cutting action can be particularly advantageous when cutting branches.
  • the wood splitter may also include a first wedge for splitting and a second wedge with the knife function.
  • the splitting wedge which is preferably guided on the guide tube, can comprise a preferably removable handle, so that the splitting wedge can be guided directly by hand.
  • the handle can be inserted into an opening in the riving knife and preferably fixed by the further impact plate on the riving knife fixing pins in the connected state against unwanted loosening.
  • Other fuses that may be readily apparent to those skilled in the art are included within the scope of the invention.
  • the wood splitter may further comprise a support block of a metal or a plastic or a composite material which can be placed on the top of the bottom plate to reduce the support surface for the piece of wood to be split.
  • the top of the bottom plate or their structure can be formed so that the support pad is secured against slipping when it rests on top of the bottom plate.
  • the support block for example, for the shortening of branches.
  • a second aspect of the invention relates to a method of cutting branches, which can be carried out with the above-described wood splitter.
  • the support pad is first placed on top of the bottom plate.
  • the branch to be severed is placed on the support block and fixed by means of or the extended side arm / e respectively their fixing elements on the support block.
  • the branch is cut using a chainsaw or the riving knife with or without the knife-shaped tip.
  • the log splitter according to the invention is a useful alternative to splitting with the ax.
  • the working speed and safety at work are increased dramatically. Since the riving knife guided and the wood to be split is fixed, eliminating the sticking of the wood by hand, which virtually eliminates injuries to the hands.
  • the splitting wedge will always hit the piece of wood to be split at the exact same point, without any failure or scattering of the beats, as in the case of the use of an ax.
  • the strenuous lifting and turning of the wood with the ax is eliminated, as well as the sawing of a slot can be omitted by means of a power saw in the run-up to the columns. This protects the back of the operator and the operator's body of the ax is not exposed to the forces of impact and recoil.
  • the beating of steel on steel is prohibited because of the occurring material splintering and the resulting risk of injury according to current safety regulations (UW of the GUV).
  • the wood splitter according to the invention preferably comprises a high-quality, large and very easy to change another impact plate, whereby the work safety further improved can be.
  • the further impact plate can be formed in particular from a plastic. Any existing steel split hammers can continue to be used. If a split hammer with plastic inserts is available, the wood splitter can be used without the other impact plates.
  • the wood splitter is not only a splitter with the characteristics of a sack truck, but at the same time preferably using the support or chopping block is a device for producing kindling, a sawhorse and a device for cutting to length timber.
  • FIG. 1 shows a wood splitter, which is assembled so that the log splitter can be used as intended to split pieces of wood.
  • the log splitter comprises a base plate 1 with which the log splitter can be set up on a substantially level ground.
  • the bottom plate 1 is formed in the embodiment in a plan view substantially rectangular.
  • the bottom plate 1 has a non-visible bottom 1b, with which it rests on the ground, and a top 1a.
  • the upper side 1a has struts 5, which are connected to the base plate 1 and / or produced in the base plate 1, for example by embossing.
  • struts 5 may be made of metal, a plastic or wood or include one of these materials, and may be fixed to the bottom plate, for example, welded, glued, non-destructively connected non-destructively by rivets or other aids, or they may be detachably connected to the bottom plate 1, for example screwed, by positive engagement or in any other known manner.
  • the bottom plate 1 further comprises three connecting elements 1c, 1d and not to be seen 1e, which protrude vertically from the top 1b of the bottom plate 1 upwards.
  • Two of the connecting elements 1c, 1e are identically formed in the embodiment and mounted at a distance from each other near an outer edge of the bottom plate 1 at a maximum distance and serve to receive a further guide tube 6 each.
  • Each of the further guide tubes 6 is prepared to be connected to several other parts of the log splitter.
  • the connection of the guide tube 4 and the other guide tubes 6 with the respective connecting element 1c, 1d, 1e as shown in the embodiment, by means of each at least one thumbscrew 14, or in another known manner, for example by form and / or adhesion and, for example, an additional splint lock.
  • the further guide tube 6 may be a hollow profile or a solid body, it may, as shown, in a section transverse to a longitudinal axis of the other guide tube have a square cross-section, or alternatively a rectangular or polygonal, round, oval, star-shaped or other cross-section.
  • the material is a metal or light metal into consideration, or a preferably reinforced plastic to keep a weight of the log splitter low.
  • At least one support wheel 20 can be connected to each of the further guide tubes 6, at least one side arm 9 and / or a handle 12 or a part 12a, 12b of a handle with which the wood splitter is placed on transport wheels 20A and then placed on the Transport wheels 20A can be moved standing over the ground.
  • the side arm 9 may in particular project substantially perpendicularly from the further guide tube 6, in a direction parallel to an axis 21 of the transport wheels 20A or support wheels 20 or transversely to a cleavage direction and away from the connecting element 1d.
  • the side arm 9 can be displaced on or on the further guide tube 6 in the longitudinal direction L wFr of the further guide tube 6 and connected or locked in any one or more predetermined positions.
  • the further guide tube comprises a connecting element 15 in the form of a hollow profile, which engages around the further guide tube 6 positively and with a thumbscrew 14 which engages in a thread in another guide tube 6 or in the connecting element 15, the side arm 9 on the other guide tube 6 determined by adhesion or a threaded connection.
  • the third connection element 1d is adapted to receive a guide tube 4.
  • the guide tube 4 forms a guide for a carriage 3, which moves along the guide tube 4 in the longitudinal direction L Fr of the guide tube 4 and can be fixed in preferably predetermined positions on the guide tube 4.
  • the carriage 3 carries the riving knife 2.
  • the carriage 3 and / or the riving knife 2 comprises a carriage 3 or riving knife 2 projecting handle 12a.
  • the handle 12a is preferably releasably connected to the carriage 3 or riving knife 2, so that it can be removed when splitting with the log splitter, to avoid the risk of injury by the projecting handle 12a when splitting.
  • the removed handle 12a may for example be plugged into an open end of the guide tube 4 or one of the other guide tubes 6 and / or the handle 12a may form in a further function a partial handle 12a of the handle 12 with which the log splitter can be moved.
  • At least one extended side arm 10 can be connected to the side arm 9, which extends substantially perpendicularly from the side arm 9 and in the embodiment shown substantially parallel to the splitting direction and substantially parallel to the bottom plate 1 in the direction opposite to the direction with the other Guide tube 6 connected support wheels 20 extends.
  • the extended side arms 10 have at least on the base plate 1 facing lower sides claw-, needle-shaped or differently shaped holding elements 24, which serve to engage in a cleaved wood part or rest against it, to complicate slipping of the wood part when splitting or to prevent ,
  • the side arms 9 and the extended side arms 10 define a space that can be adapted in its dimensions such as height H and width B to the wood part to be split. Also in the longitudinal direction L, an adaptation of the space can take place when the log splitter comprises, for example, a set of extended side arms 10 of different lengths, or extension pieces for the extended side arms 10, which can be connected thereto, or if the extended side arms 10 can be telescoped out.
  • a damping device in the form of a spring element 17 which is intended to slow down a movement of the carriage 3 during wood splitting, before it strikes unrestrained against the connecting element 1 d.
  • the carriage 3 can be secured to the guide tube 4 at predetermined positions by means of, for example, a snap-lock device 29.
  • the FIG. 2 shows the wood splitter the FIG. 1 in another view.
  • the log splitter the FIG. 2 corresponds to the log splitter the FIG. 1 so that not all references have to be repeated.
  • the wood splitter comprises a first impact plate 7, which is formed by an upper side of the splitting wedge 2 and a second impact plate, which is arranged opposite to the guide tube 4 of the first impact plate opposite.
  • the second impact plate 8 is connected to the riving knife 2 via the carriage 3 so that a force acting on the second impact plate 8, is transmitted to the splitting wedge 2 substantially lossless.
  • FIG. 2 is further provided with a reference numeral, a hollow profile 30, by means of which the support wheels 20 is connected to the other guide tubes 6, and a handle 22, with which the carriage 3 can be manually moved along the guide tube to him, for example, after a first gap strike for to position a second gap strike again on the guide tube 4.
  • the wood splitter may comprise a guide 31, which may preferably be releasably connected, for example, to the first striking plate 7 or the second striking plate 8 .
  • the guide 30 may be a funnel-shaped bent sheet metal, for example made of spring steel, act as in the FIG. 3 is shown.
  • the FIG. 4 shows in three views the carriage 3 with the riving knife 2 and the plate 19, which forms the second striking plate 8.
  • the carriage 3 comprises a central guide part 18, which at least partially as a sliding bearing 32 (see FIG. 10 ) or may comprise a sliding bearing 32 to ensure unhindered sliding of the carriage 3 along the guide tube 4.
  • the central guide part 18 Connected to the central guide part 18 is the splitting wedge 2, whose end remote from the wedge tip 13 is designed as a first striking plate 7, and a second one Impact plate 8, which is above the first striking plate 7 and, relative to the central guide member 18, the first striking plate 7 opposite.
  • the second impact plate 8 is connected to the central guide member 18 via plates 19 so that a force acting on the second impact plate 8 is transferred lossless in the central guide member 18.
  • the carriage 3 further comprises lateral gripping elements 22 with which the carriage 3 can be moved manually along the guide tube 4.
  • the gripping elements 22 are preferably detachably connected to the carriage 3 and can be removed before the wood splitting, in order to prevent a risk of injury by the handles 22 during the splitting operation.
  • the carriage 3 can be locked on the guide tube 4 in a different discrete position.
  • a securing device not shown, which can be easily solved and is held in the released position to allow a guided free fall of the carriage 3 along the guide tube 4 for splitting.
  • it may be a "quick-release" device, which is triggered by hand and then semi-automatically releases the carriage 3 for splitting.
  • the securing device can pass through the opening 23 and be connected to the central guide part 18.
  • a weight in order to increase the splitting force of the splitting wedge 2, above the carriage 3, a weight, not shown, can be pushed onto the guide tube 4, for splitting the wood part by gravity together with the carriage 3 in free fall, guided on the guide tube 4, on the to split wood part falls.
  • the weight may include a handle, so that it can be moved independently of the wedge-shaped gap 2 along the guide tube 4 and repeatedly fall down to split the wood part on the riving knife 2. That is, the weight in this case replaces, for example, a hammer with which the riving knife 2 can be driven to split into the piece of wood.
  • the splitting wedge 2 can, as shown, firmly connected to the carriage 3, for example welded.
  • a plate 25 with an outside of the carriage 3 with the carriage 3 by positive engagement and / or connected by adhesion, for example, the parts are worn and / or glued together.
  • the carriage 3 could also comprise a receptacle for the riving knife 2.
  • the splitting wedge 2 would then be inserted into the receptacle and secured therein, in order to prevent the splitting wedge 2 from unintentionally separating from the carriage 3 during splitting. This variant enables a simple removal of the splitting wedge 2 when it has to be replaced or the riving knife tip 13 has to be reground.
  • FIG. 4 includes the riving knife 2 in the FIG. 1 not shown side opening 33 for receiving a handle 12a.
  • the riving knife 2 can be guided by hand, for example, to produce wood chips, for example.
  • the riving knife 2 and the impact plate 8 each comprise two openings 16. These openings 16 form receptacles for connecting pins 28 with which the further impact plate 27, as shown in the FIG. 4 are shown, easily interchangeable with the striking plates 7, 8 can be connected.
  • the further impact plates 27 may in particular be made of a plastic, and serve to protect the surfaces of the impact plates 7, 8 from damage, to reduce the volume when hitting and the benefit of a percussion hammer to the body of the percussion hammer transmitted back stroke force dampen.
  • the FIG. 5 shows in a section of the connecting element 1d, the guide tube 4 and the spring element 17, which is supported with its axial ends 17a, 17b on the correspondingly prepared connecting element 1d and the likewise prepared guide tube 4.
  • the guide tube 4 comprises an insert or an extension 11, wherein the extension 11 engages in the connecting part 1d and is secured in the connecting part 1d by means of wing screws 14.
  • the extension 11 may in particular be a steel rod which, at its end pointing away from the guide tube 4, is prepared to be inserted into the ground or into a stump, for example, to guide the guide tube 4 directly from the described wood splitter directly to the latter To use columns of wood.
  • the isolated extension 11 or the insert is in the FIG. 4 shown. In a detailed view, the tip 11 a of the extension 11 is shown.
  • the FIG. 6 shows a further striking plate 27 which can be connected to the first and / or the second striking plate 7, 8, if these are conventional impact plates of steel, for example.
  • a carriage 3 which comprises the first striking plate 7 and the second striking plate 8.
  • the first and second impact plates 7, 8 are each connected to a further impact plate 27.
  • the further impact plate 27 comprises two connecting pins 28, which in the in the FIG. 5 shown openings 16 can be introduced.
  • a further impact plate 27 can be securely connected to the first impact plate 7 and the second impact plate 8 and thus secured on the respective impact plate 7, 8 so that the further impact plate 27 does not become unintentional when using the wood splitter from the first striking plate 7 and the second striking plate 8 triggers.
  • the connection should allow a quick, uncomplicated removal of the further impact plate 27, for example for removal when using a percussion hammer with plastic impact surface or for replacement of the other impact plate 27 against another further impact plate 27th
  • FIG. 7 shows in isolation the insert or extension 11 of the guide tube 4, which engages at least partially in the connecting element 1d when the guide tube 4 is connected to the bottom plate 1.
  • the extension 11 may be in particular a solid steel profile, such as a round steel. The extension 11 is firmly joined to the guide tube 4.
  • a front free end 11a of the extension 11 is shown, which has a smaller diameter, than the adjoining sections of the extension.
  • the free end 11a may also be sharpened, so that it can easily penetrate into a soft ground.
  • the guide tube 4 detached from the described Holzspalterkonstrutation can be used directly to split, for example, in inaccessible terrain wood.
  • the guide tube 4 with the free end 11a of the extension 11 inserted into the ground or a preferably prepared opening in a stump.
  • the carriage 3 can be placed with the riving knife 2 as usual on the guide tube 4 and the riving knife 2 can be used in the manner described above by its gravity or the use of an additional gap weight or split hammers for splitting wood. That is, already the guide tube 4 with the extension 11 and the carriage 3 with the riving knife 2 can form a log splitter according to the invention, without the need of the bottom plate and the other attachments.
  • the wood splitter defined in this way is easy to transport and therefore particularly well suited, for example, to be used on steep slopes.
  • FIG. 8 shows a handle 12a or part handle 12a, which may be a part of the handle 12 in a slightly modified embodiment, as shown in the FIG. 1 is shown.
  • the handle 12a comprises two regions of different diameters which are interconnected in a step 34.
  • One of the two areas comprises in the illustrated embodiment through holes 35 which can be penetrated to secure the handle 12a of locking pins, not shown, which can be inserted, for example, in the openings 16 of the first striking plate 7 and / or the second striking plate 8.
  • the handle 12a forms part of the handle 12, it is clear that the counterpart, not shown, can not be identical to the illustrated part handle 12a.
  • the counterpart then has a receiving region into which the region of the partial grip 12a can be inserted with the through-holes 35 and preferably secured in the inserted state via the through-holes 35.
  • the handle 12a and the counterpart at the respective free end must comprise a connecting element with which the handle 12 can be connected to, for example, the further guide tubes 6.
  • FIG. 9 shows a Klappspintmaschine 29, as it can be used for example for locking the carriage 3 on the guide tube 4.
  • FIG. 10 shows an example of a sliding bearing 32, which can be supplied from the outside via lubricating openings 34 with a lubricant.
  • a suitable lubricant may be graphite, or another, preferably environmentally friendly lubricant, to avoid contamination of the soil at the site at least as far as possible.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Debarking, Splitting, And Disintegration Of Timber (AREA)
EP17205773.9A 2016-12-06 2017-12-06 Fendeur de bois à l'usage mobile Active EP3332931B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016123602.0A DE102016123602A1 (de) 2016-12-06 2016-12-06 Holzspalter für den mobilen Einsatz

Publications (2)

Publication Number Publication Date
EP3332931A1 true EP3332931A1 (fr) 2018-06-13
EP3332931B1 EP3332931B1 (fr) 2020-02-05

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ID=60627509

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EP17205773.9A Active EP3332931B1 (fr) 2016-12-06 2017-12-06 Fendeur de bois à l'usage mobile

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EP (1) EP3332931B1 (fr)
DE (1) DE102016123602A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3597727A1 (fr) * 2018-07-20 2020-01-22 Pisek - Vitli Krpan, d.o.o. Plaques directrices améliorées pour fendeuse de buches et fendeuse de buches comportant lesdites plaques directrices
EP3995276A1 (fr) * 2020-11-02 2022-05-11 Scheppach GmbH Coin à refendre le bois autoportant

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB603135A (en) * 1945-12-12 1948-06-09 Harold Philip Sidney Paish Improvements in or relating to splitting wedges
US4033390A (en) * 1976-02-02 1977-07-05 C & D. Distributors, Inc. Wood splitter
US4211264A (en) * 1978-12-04 1980-07-08 Cross Robert M Log splitter
FR2524372A1 (fr) * 1982-04-05 1983-10-07 Henon Bernard Materiel pour le fendage et l'eclatement du bois
US4429727A (en) * 1982-04-21 1984-02-07 Wilson Robert C Log splitter
US5495878A (en) * 1995-03-10 1996-03-05 R.E.M. Incorporated Hand held log splitter
US5535795A (en) * 1995-07-31 1996-07-16 Bunn; Hugh F. Log splitting attachment for a hand jack
US6453958B1 (en) * 2001-06-07 2002-09-24 Stefano Slavich Log splitting device
WO2003097311A1 (fr) * 2002-05-17 2003-11-27 Lawrence Owen Fitzgerald Kit pour former un appareil a fendre le bois
DE202011109238U1 (de) * 2011-12-19 2012-01-16 Karin Ossege Holzspalter
WO2012069801A1 (fr) * 2010-11-24 2012-05-31 Forest Master Ltd Ensemble à fendre des bûches

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB603135A (en) * 1945-12-12 1948-06-09 Harold Philip Sidney Paish Improvements in or relating to splitting wedges
US4033390A (en) * 1976-02-02 1977-07-05 C & D. Distributors, Inc. Wood splitter
US4211264A (en) * 1978-12-04 1980-07-08 Cross Robert M Log splitter
FR2524372A1 (fr) * 1982-04-05 1983-10-07 Henon Bernard Materiel pour le fendage et l'eclatement du bois
US4429727A (en) * 1982-04-21 1984-02-07 Wilson Robert C Log splitter
US5495878A (en) * 1995-03-10 1996-03-05 R.E.M. Incorporated Hand held log splitter
US5535795A (en) * 1995-07-31 1996-07-16 Bunn; Hugh F. Log splitting attachment for a hand jack
US6453958B1 (en) * 2001-06-07 2002-09-24 Stefano Slavich Log splitting device
WO2003097311A1 (fr) * 2002-05-17 2003-11-27 Lawrence Owen Fitzgerald Kit pour former un appareil a fendre le bois
WO2012069801A1 (fr) * 2010-11-24 2012-05-31 Forest Master Ltd Ensemble à fendre des bûches
DE202011109238U1 (de) * 2011-12-19 2012-01-16 Karin Ossege Holzspalter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3597727A1 (fr) * 2018-07-20 2020-01-22 Pisek - Vitli Krpan, d.o.o. Plaques directrices améliorées pour fendeuse de buches et fendeuse de buches comportant lesdites plaques directrices
EP3995276A1 (fr) * 2020-11-02 2022-05-11 Scheppach GmbH Coin à refendre le bois autoportant

Also Published As

Publication number Publication date
EP3332931B1 (fr) 2020-02-05
DE102016123602A1 (de) 2018-06-07

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